- Add color and faceting to explore more variable
- Careful about over-plotting
- If not necessary, avoid 3D plots, instead use contour
- Common plots depending on data types
| Data Type | Common Plot Type |
|---|---|
| Numerical | histogram, dotplot, density plot, scatterplot, boxplot |
| Categorical | bar chart, mosaic |
| Date | time series |
| Mixed | boxplot, parallel cordinate plot |
| Spatial | maps, google map, contour plot or 2d density |